#ifndef __iic_h
#define __iic_h
void iic_start(void);
void iic_stop(void);
void ack_iic(unsigned char ack);
void iic_write_byte(unsigned char dt);
void set_iic_sck(unsigned char state);
void set_iic_sda(unsigned char state);
void get_iic_sda(int *precv);
void iic_read_byte(int *precv);
#endif
